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* [Qemu-devel] [PATCH 3/3] memory: Print regions in ascending order
@ 2011-09-27 13:00 Jan Kiszka
  2011-10-02 14:06 ` Avi Kivity
  0 siblings, 1 reply; 2+ messages in thread
From: Jan Kiszka @ 2011-09-27 13:00 UTC (permalink / raw)
  To: Avi Kivity; +Cc: Blue Swirl, qemu-devel

Makes reading the output more user friendly.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
---
 memory.c |   37 +++++++++++++++++++++++++++++++------
 1 files changed, 31 insertions(+), 6 deletions(-)

diff --git a/memory.c b/memory.c
index 24c5abd..6ff78cb 100644
--- a/memory.c
+++ b/memory.c
@@ -1339,12 +1339,13 @@ typedef QTAILQ_HEAD(queue, MemoryRegionList) MemoryRegionListHead;
 static void mtree_print_mr(fprintf_function mon_printf, void *f,
                            const MemoryRegion *mr, unsigned int level,
                            target_phys_addr_t base,
-                           MemoryRegionListHead *print_queue)
+                           MemoryRegionListHead *alias_print_queue)
 {
+    MemoryRegionList *new_ml, *ml, *next_ml;
+    MemoryRegionListHead submr_print_queue;
     const MemoryRegion *submr;
     unsigned int i;
 
-
     if (!mr) {
         return;
     }
@@ -1358,7 +1359,7 @@ static void mtree_print_mr(fprintf_function mon_printf, void *f,
         bool found = false;
 
         /* check if the alias is already in the queue */
-        QTAILQ_FOREACH(ml, print_queue, queue) {
+        QTAILQ_FOREACH(ml, alias_print_queue, queue) {
             if (ml->mr == mr->alias && !ml->printed) {
                 found = true;
             }
@@ -1368,7 +1369,7 @@ static void mtree_print_mr(fprintf_function mon_printf, void *f,
             ml = g_new(MemoryRegionList, 1);
             ml->mr = mr->alias;
             ml->printed = false;
-            QTAILQ_INSERT_TAIL(print_queue, ml, queue);
+            QTAILQ_INSERT_TAIL(alias_print_queue, ml, queue);
         }
         mon_printf(f, TARGET_FMT_plx "-" TARGET_FMT_plx " (prio %d): alias %s @%s "
                    TARGET_FMT_plx "-" TARGET_FMT_plx "\n",
@@ -1386,9 +1387,33 @@ static void mtree_print_mr(fprintf_function mon_printf, void *f,
                    mr->priority,
                    mr->name);
     }
+
+    QTAILQ_INIT(&submr_print_queue);
+
     QTAILQ_FOREACH(submr, &mr->subregions, subregions_link) {
-        mtree_print_mr(mon_printf, f, submr, level + 1, base + mr->addr,
-                       print_queue);
+        new_ml = g_new(MemoryRegionList, 1);
+        new_ml->mr = submr;
+        QTAILQ_FOREACH(ml, &submr_print_queue, queue) {
+            if (new_ml->mr->addr < ml->mr->addr ||
+                (new_ml->mr->addr == ml->mr->addr &&
+                 new_ml->mr->priority > ml->mr->priority)) {
+                QTAILQ_INSERT_BEFORE(ml, new_ml, queue);
+                new_ml = NULL;
+                break;
+            }
+        }
+        if (new_ml) {
+            QTAILQ_INSERT_TAIL(&submr_print_queue, new_ml, queue);
+        }
+    }
+
+    QTAILQ_FOREACH(ml, &submr_print_queue, queue) {
+        mtree_print_mr(mon_printf, f, ml->mr, level + 1, base + mr->addr,
+                       alias_print_queue);
+    }
+
+    QTAILQ_FOREACH_SAFE(next_ml, &submr_print_queue, queue, ml) {
+        g_free(ml);
     }
 }
 
-- 
1.7.3.4

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [Qemu-devel] [PATCH 3/3] memory: Print regions in ascending order
  2011-09-27 13:00 [Qemu-devel] [PATCH 3/3] memory: Print regions in ascending order Jan Kiszka
@ 2011-10-02 14:06 ` Avi Kivity
  0 siblings, 0 replies; 2+ messages in thread
From: Avi Kivity @ 2011-10-02 14:06 UTC (permalink / raw)
  To: Jan Kiszka; +Cc: Blue Swirl, qemu-devel

On 09/27/2011 04:00 PM, Jan Kiszka wrote:
> Makes reading the output more user friendly.

Thanks, applied all three.

> @@ -1339,12 +1339,13 @@ typedef QTAILQ_HEAD(queue, MemoryRegionList) MemoryRegionListHead;
>   static void mtree_print_mr(fprintf_function mon_printf, void *f,
>                              const MemoryRegion *mr, unsigned int level,
>                              target_phys_addr_t base,
> -                           MemoryRegionListHead *print_queue)
> +                           MemoryRegionListHead *alias_print_queue)
>   {
> +    MemoryRegionList *new_ml, *ml, *next_ml;
> +    MemoryRegionListHead submr_print_queue;
>       const MemoryRegion *submr;
>       unsigned int i;
>
> -
>       if (!mr) {
>           return;
>       }
> @@ -1358,7 +1359,7 @@ static void mtree_print_mr(fprintf_function mon_printf, void *f,
>           bool found = false;
>
>           /* check if the alias is already in the queue */
> -        QTAILQ_FOREACH(ml, print_queue, queue) {
> +        QTAILQ_FOREACH(ml, alias_print_queue, queue) {
>               if (ml->mr == mr->alias&&  !ml->printed) {
>                   found = true;
>               }
> @@ -1368,7 +1369,7 @@ static void mtree_print_mr(fprintf_function mon_printf, void *f,
>               ml = g_new(MemoryRegionList, 1);
>               ml->mr = mr->alias;
>               ml->printed = false;
> -            QTAILQ_INSERT_TAIL(print_queue, ml, queue);
> +            QTAILQ_INSERT_TAIL(alias_print_queue, ml, queue);
>           }
>           mon_printf(f, TARGET_FMT_plx "-" TARGET_FMT_plx " (prio %d): alias %s @%s "
>                      TARGET_FMT_plx "-" TARGET_FMT_plx "\n",
> @@ -1386,9 +1387,33 @@ static void mtree_print_mr(fprintf_function mon_printf, void *f,
>                      mr->priority,
>                      mr->name);
>       }
> +
> +    QTAILQ_INIT(&submr_print_queue);
> +
>       QTAILQ_FOREACH(submr,&mr->subregions, subregions_link) {
> -        mtree_print_mr(mon_printf, f, submr, level + 1, base + mr->addr,
> -                       print_queue);
> +        new_ml = g_new(MemoryRegionList, 1);
> +        new_ml->mr = submr;
> +        QTAILQ_FOREACH(ml,&submr_print_queue, queue) {
> +            if (new_ml->mr->addr<  ml->mr->addr ||
> +                (new_ml->mr->addr == ml->mr->addr&&
> +                 new_ml->mr->priority>  ml->mr->priority)) {
> +                QTAILQ_INSERT_BEFORE(ml, new_ml, queue);
> +                new_ml = NULL;
> +                break;
> +            }
> +        }
> +        if (new_ml) {
> +            QTAILQ_INSERT_TAIL(&submr_print_queue, new_ml, queue);
> +        }
> +    }
> +
> +    QTAILQ_FOREACH(ml,&submr_print_queue, queue) {
> +        mtree_print_mr(mon_printf, f, ml->mr, level + 1, base + mr->addr,
> +                       alias_print_queue);
> +    }
> +
> +    QTAILQ_FOREACH_SAFE(next_ml,&submr_print_queue, queue, ml) {
> +        g_free(ml);
>       }
>   }
>

Yuck, the whole thing would be a one-liner with a capable library 
(std::map<> or std::sort())

-- 
error compiling committee.c: too many arguments to function

^ permalink raw reply	[flat|nested] 2+ messages in thread

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